Data Models into Database Designs Which is not true about surrogate keys? They have meaning to the user. They are fixed. They are numeric. They are short. They have meaning to the user. They are fixed. They are numeric. They are short. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row? Null status Default value Data type Data constraints Null status Default value Data type Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: either table without specifying parent and child tables. the child table. either the parent table or the child table. the parent table. either table without specifying parent and child tables. the child table. either the parent table or the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute identity key foreign key primary key main attribute identity key foreign key primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. False True False True ANSWER DOWNLOAD EXAMIANS APP